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29921095 = 516336713
BaseRepresentation
bin111001000100…
…0111101000111
32002022011000201
41302020331013
530124433340
62545151331
7512216341
oct162107507
962264021
1029921095
1115987186
12a02b547
1362780b9
143d8c291
15296079a
hex1c88f47

29921095 has 8 divisors (see below), whose sum is σ = 36126576. Its totient is φ = 23789376.

The previous prime is 29921063. The next prime is 29921117. The reversal of 29921095 is 59012992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29921095 - 25 = 29921063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17542 + ... + 19171.

It is an arithmetic number, because the mean of its divisors is an integer number (4515822).

Almost surely, 229921095 is an apocalyptic number.

29921095 is a deficient number, since it is larger than the sum of its proper divisors (6205481).

29921095 is a wasteful number, since it uses less digits than its factorization.

29921095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36881.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 29921095 is about 5470.0178244682. The cubic root of 29921095 is about 310.4505934321.

The spelling of 29921095 in words is "twenty-nine million, nine hundred twenty-one thousand, ninety-five".

Divisors: 1 5 163 815 36713 183565 5984219 29921095